Board Thread:Roleplay/@comment-25433946-20141011060324/@comment-25430487-20160124184830

21 gets you 2 discoveries.

Roll a d10 twice

d10 Result

1 – 4: Roll d8, reroll on 8

5 – 7: Roll d6, reroll on 6

8 – 9: Roll d4

10: Roll d6, reroll on 6